215404880

素因数分解:

$2^4\times 5^1\times {\mathrm{2692561}}^1$

素因数の和:2692574

約数の個数: 20

約数和(自身を含む): 500816532

約数和(自身を除く): 285411652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2692561, 5385122, 10770244, 13462805, 21540488, 26925610, 43080976, 53851220, 107702440, 215404880]

約数ペア:

[(1, 215404880), (2, 107702440), (4, 53851220), (5, 43080976), (8, 26925610), (10, 21540488), (16, 13462805), (20, 10770244), (40, 5385122), (80, 2692561)]